UOI

BGP inherited
Cluster stats
Netblocks7 · 9,245 IPv4 addresses
Registered in Greece (4) · Singapore (3)
All fragments 9 blocks across 3 clusters
Cluster ID209505368
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-19

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
83.212.184.0/21 UOI RIPE ASSIGNED PA ● high
83.212.192.0/21 UOI RIPE ASSIGNED PA ● high
195.130.112.0 – 195.130.121.255 UOI RIPE ASSIGNED PA ● high
195.251.192.0 – 195.251.201.255 UOI RIPE ASSIGNED PA ● high
202.55.74.48/28 UOI APNIC ASSIGNED NON-PORTABLE ● low
202.83.97.48/28 UOI APNIC ALLOCATED NON-PORTABLE ● low
202.83.103.108/30 UOI APNIC ALLOCATED NON-PORTABLE ● low

Domains hosted in this network

what's this?
uoi.gr

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (7 of 7)
Possible discrepancies (4)

These blocks are registered to UOI but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

195.130.112.0 – 195.130.121.255 /21 authorized for AS5408 — National Infrastructures for Research and Technology S.A.
195.251.192.0 – 195.251.201.255 /21 authorized for AS5408 — National Infrastructures for Research and Technology S.A.
83.212.192.0/21 /21 authorized for AS8581 — University Of Ioannina
83.212.184.0/21 /21 authorized for AS8581 — University Of Ioannina

NIC Handles

AE366-AP DUMY-RIPE DUMY-RIPE GRNET-NOC MAINT-SG-ESDUN MAINT-SG-VIEWQWEST UN284-RIPE VM33-AP VM33-AP